inst/snippet/concrete-load.R

require(Devore6); data(xmp13.13,package='Devore6')
concrete <- data.frame(
    limestone=xmp13.13$x1, water=xmp13.13$x2, strength=xmp13.13$strength)
concrete.lm1 <- lm(strength ~ limestone * water, concrete)

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fastR documentation built on May 2, 2019, 5:53 p.m.